Big Order

The story begins when high school student Kazuki Muto is killed one night saving a mysterious girl from a monster, only to wake up in his school dorm, believing it to have been a dream; however, he soon finds out that dream wasn't a dream at all when a giant serpentine monster attacks him and his sister. Tokiko Tsumura, the girl he saved, explains that the monster is a homunculus. Kazuki had been attacked and killed by it when he was rescuing her; however, she, feeling responsible for him, revived him by placing a Kakugane medallion in his chest, serving as a replacement heart.

Ko Ichinomiya's family motto is "Never be indebted to anyone," but after losing his pants and falling into the Arakawa River, he quickly finds himself in debt to his savior, the cutely insane Nino who happens to live under the bridge. To repay her, he vows to help her with her desire to "experience love." Along the way he'll meet the river's other residents, including a hot-blooded kappa, a Sister in drag, and a literal rock star.

Golgo 13 is not his real name. Then again, neither is Duke Togo, Tadashi Togo, or any number of the aliases he goes by. A man of mystery, not even the world’s most prominent intelligence agencies can determine who Golgo really is, or just where he came from. But all agree that his skills are nothing short of legendary. Armed with a custom M16, Golgo is willing to take any job for any agency, from the FBI to the KGB. He has completed every contract he has ever taken and will work for anyone who can meet his price. He is both the greatest weapon and the greatest threat to any nation; no one is safe once they are in Golgo’s sights.

Itsuki Minami is a school student notorious for engaging in street fights, a reckless punk that will break through any obstacle, alongside his best friends Kazuma Mikura and Onigiri. However, when he discovers a pair of Air Trecks his true desire to rule the skies takes off.